{"id":20535,"date":"2017-03-17T21:33:17","date_gmt":"2017-03-17T21:33:17","guid":{"rendered":"http:\/\/www.oracletutoring.ca\/blog\/?p=20535"},"modified":"2017-03-17T21:33:17","modified_gmt":"2017-03-17T21:33:17","slug":"chemistry-what-is-back-bonding","status":"publish","type":"post","link":"https:\/\/www.oracletutoring.ca\/blog\/chemistry-what-is-back-bonding\/","title":{"rendered":"Chemistry:  what is back bonding?"},"content":{"rendered":"<h1>Tutoring chemistry, back bonding might come up.<\/h1>\n<p>Back bonding is a concept from molecular orbitals.  In a molecule with a central 3rd-period nonmetal (such as sulfur or phosphorus), double bonding is possible so that the central atom exceeds an octet.  The phenomenon is back bonding.<\/p>\n<p>The reason back bonding is possible is that the central atom, being a third-period nonmetal, has (vacant) d-orbitals.  It is thought that a peripheral atom bonding with it can form a second bond by merging one of its p-orbitals with one of the central atom&#8217;s vacant d-orbitals.  The peripheral atom then contributes two electrons to this p-d hybrid; the result is a p\u03c0-d\u03c0 bond, aka back bonding.<\/p>\n<p>Back bonding is thought to explain shorter-than-expected P-O bonds in phosphoric acid and S-O bonds in sulfuric acid.<\/p>\n<p>Source:<\/p>\n<p>Mortimer, Charles E.  <u>Chemistry,<\/u> sixth edition.  Belmont:  Wadsworth, 1986.<\/p>\n<p>Jack of <a href=\"https:\/\/www.oracletutoring.ca\">Oracle Tutoring by Jack and Diane,<\/a> Campbell River, BC.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tutoring chemistry, back bonding might come up. Back bonding is a concept from molecular orbitals. In a molecule with a central 3rd-period nonmetal (such as sulfur or phosphorus), double bonding is possible so that the central atom exceeds an octet. &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"more-link\" href=\"https:\/\/www.oracletutoring.ca\/blog\/chemistry-what-is-back-bonding\/\"> <span class=\"screen-reader-text\">Chemistry:  what is back bonding?<\/span> Read More &raquo;<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11],"tags":[2173,2175,2174,2176],"class_list":["post-20535","post","type-post","status-publish","format-standard","hentry","category-chemistry","tag-back-bonding","tag-molecular-orbital","tag-p-d-hybrid-orbital","tag-p-d-bonding"],"_links":{"self":[{"href":"https:\/\/www.oracletutoring.ca\/blog\/wp-json\/wp\/v2\/posts\/20535","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.oracletutoring.ca\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.oracletutoring.ca\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.oracletutoring.ca\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.oracletutoring.ca\/blog\/wp-json\/wp\/v2\/comments?post=20535"}],"version-history":[{"count":17,"href":"https:\/\/www.oracletutoring.ca\/blog\/wp-json\/wp\/v2\/posts\/20535\/revisions"}],"predecessor-version":[{"id":20552,"href":"https:\/\/www.oracletutoring.ca\/blog\/wp-json\/wp\/v2\/posts\/20535\/revisions\/20552"}],"wp:attachment":[{"href":"https:\/\/www.oracletutoring.ca\/blog\/wp-json\/wp\/v2\/media?parent=20535"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.oracletutoring.ca\/blog\/wp-json\/wp\/v2\/categories?post=20535"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.oracletutoring.ca\/blog\/wp-json\/wp\/v2\/tags?post=20535"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}